The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever. (Tam Rich)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD15238 · HD15239 · HD15250 · HD15382 · HD15522 · HD15557 · HD15558 · HD15570 · IC 1795 · IC 1805 · LBN 645 · LBN 647 · LBN 650 · LBN 655 · LDN 1359 · LDN 1360 · LDN 1361 · LDN 1362 · LDN 1363 · LDN 1364 · LDN 1365 · LDN 1366 · LDN 1367 · LDN 1368 · NGC 896 · Sh2-190

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The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever.

Revision title: Heart Nebula Number Three

Powered byPixInsight

The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever.

Revision title: Heart Nebula Number Three

This is my longest image ever just under 9 hours of integration time over two rare clear nights here in the UK.
Dates: 03/08/2023 and 04/08/2023 Time 22:33 GMT.
I have published three images not sure what my favourite one is I will leave the choice to you.
see the Revisions for time and details.

The Heart Nebula (also known as the Running dog nebula, IC 1805, Sharpless 2-190) is an emission nebula, 7500 light years away from my backyard It was discovered by William Herschel on
3 November 1787 and rediscovered by Tam Rich 03/08/2023
Here is my usual work flow.
1. Blink
2. Script Batch processing Weighted Batch Pre-processing script v2.5.4Separate RGB Image and
Auto crop function.
3. Inspection.
4. Statistics.
5. Linear Fit Channel Combination.
6. Dynamic Background Extraction (Division and Subtraction).
7. SpecroPhotometric Colour Calibration.
8. BlurXTerminator.
9.Histogram Transformation.
10.Curves Transformation.
11. NoiseXTerminator.
12. StarXTerminanator then using Curves and the Histogram.
13.Colour Saturation and colour masks.
14.Histogram Transformation.
15. Pixel Math Script.
16.Histogram Transformation slight.
17. Curves Transformation slight.
18.ADV sharpening.

Thank you for looking at this image.
Big thank you to all the wonderful comments and support.
CS and stay safe Tam

Original
B
Final
C

B

Title: Heart Nebula Number Two

Description: First time I have used Drizzle.

Uploaded: ...

C

Title: Heart Nebula Number Three

Description: Mums the word this is my favourite image and the last I processed.

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	8413256
PixInsight job	NKVOEP9UL3K9SW06J6Z6AEL35KT9K434
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	02h29m40s.49
RA (top/left)	02h34m19s.68
RA (top/right)	02h32m20s.12
RA (bottom/right)	02h24m48s.24
RA (bottom/left)	02h27m10s.45

Dec (center)	+61°25′06″.7
Dec (top/left)	+60°42′19″.1
Dec (top/right)	+62°16′15″.7
Dec (bottom/right)	+62°07′16″.9
Dec (bottom/left)	+60°33′52″.8

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The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever.

Revision title: Heart Nebula Number Three

The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever.

Revision title: Heart Nebula Number Three

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The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever.

Revision title: Heart Nebula Number Three

The Heart Nebula ,IC 1805, Sharpless 2-190 OSC my longest image ever.

Revision title: Heart Nebula Number Three

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